Merge #6746

6746: Feature/add assist extract module to file r=matklad a=sasurau4

Fix #6522 

## Screenshot

<img src="https://user-images.githubusercontent.com/13580199/102748269-33a44300-43a5-11eb-9e37-f5fcb8e62f73.gif" width=600 />


## TODO

- [x] Remove all TODO comment
- [x] Pass the doc test



Co-authored-by: Daiki Ihara <[email protected]>

1 files changed, 15 insertions, 0 deletions

diff --git a/crates/assists/src/tests/generated.rs b/crates/assists/src/tests/generated.rs
index cc7c4a343..e9093ec53 100644
--- a/crates/assists/src/tests/generated.rs
+++ b/crates/assists/src/tests/generated.rs
@@ -236,6 +236,21 @@ fn qux(bar: Bar, baz: Baz) {}
 }
 
 #[test]
+fn doctest_extract_module_to_file() {
+    check_doc_test(
+        "extract_module_to_file",
+        r#####"
+mod foo {<|>
+    fn t() {}
+}
+"#####,
+        r#####"
+mod foo;
+"#####,
+    )
+}
+
+#[test]
 fn doctest_extract_struct_from_enum_variant() {
     check_doc_test(
         "extract_struct_from_enum_variant",